Crystal structure and properties of (1,5-cyclooctadiene) (η5-pentamethylcyclopentadienyl) iridium(I) [Ir(cod)Cp*]

D. V. Bonegardt, I. Yu Il’in, T. S. Sukhikh, N. B. Morozova

Research output: Contribution to journalArticlepeer-review

5 Citations (Scopus)

Abstract

Volatile iridium(I) complexes [Ir(cod)Cpx] (Cpx = pentamethylcyclopentadienyl Cp*, ethylcyclopentadienyl CpEt, cod = 1,5-cyclooctadiene) are synthesized and characterized by IR and NMR spectroscopy. The [Ir(cod)Cp*] complex is a solid and the [Ir(cod)CpEt] complex is a liquid (SATP). The XRD method is used to determine the structure of the [Ir(cod)Cp*] complex: chemical formula C18H27Ir, space group P21/c, a = 8,4418(2) Å, b = 9,4764(3) Å, c = 19.2682(5) Å, β = 96.128(1) °, V = 1532.61(7) Å3, Z = 4, dcalc = 1.888 g/cm3, μ = 8.697 mm–1. The cyclopentadienyl ligand is η5-type coordinated; 1,5-cyclooctadiene have a cis-cis conformation and is η4-type coordinated. The thermal properties of the complexes are studied by thermogravimetry.

Original languageEnglish
Pages (from-to)983-988
Number of pages6
JournalJournal of Structural Chemistry
Volume58
Issue number5
DOIs
Publication statusPublished - 1 Sep 2017

Keywords

  • 1,5-cyclooctadiene
  • iridium(I)
  • pentamethylcyclopentadiene
  • single crystal X-ray diffraction analysis
  • thermogravimetry
  • THIN-FILMS
  • PRECURSOR
  • CHEMICAL-VAPOR-DEPOSITION
  • MEMORY
  • COMPLEXES
  • DIFFUSION BARRIER
  • TECHNOLOGY

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